5-2
5
Rear brake Check operation. If soft or spongy, have Yamaha dealer bleed hy-
draulic system.
Check brake pads for wear , and replace if necessary.
Check brake fluid level in reservoir, and add specified brake fluid to specified level if necessary.
Check hydraulic system for leakage. Correct if necessary. 5-3, 8-22, 8-23, 8-25
Clutch Check operation, and correct if necessary.
Lubricate cable if necessary.
Check lever free play, and adjust if necessary. 8-28
Throttle lever Make sure that operation is smooth. Lubricate cable and lever hous-
ing if necessary.
Check lever free play, and adjust if necessary. 5-3, 8-21
Control cables Make sure that operation is smooth. Lubricate if necessary. 8-31
Drive chain Check chain slack, and adjust if necessary.
Check chain condition. Lubricate if necessary.
5-4, 8-29, 8-31
Wheels and tires Check wheel condition, and replace if damaged.
Check tire condition and tread depth. Replace if necessary.
Check air pressure. Correct if necessary. 5-4
Shift pedal Make sure that operation is smooth.
Correct if necessary. 8-33
Brake pedal Make sure that operation is smooth. Lubricate pedal pivoting point if
necessary. 8-33
Brake and clutch levers Make sure that operation is smooth. Lubricate lever pivoting points if
necessary. 8-32
Chassis fasteners Make sure that all nuts, bolts and screws are properly tightened. 5-6
Instruments, lights and
switches Check operation, and correct if necessary. 5-6
ITEM ROUTINE PAGEU1BT63E0.book Page 2 Friday, March 9, 2012 11:22 AM
8-29
85. Slide the rubber cover back to its original po-
sition.
TIPIf the specified free play cannot be obtained as de-
scribed above or if the clutch does not operate cor-
rectly, have a Yamaha dealer check the internal
clutch mechanism.EBU26864Drive chain slack The drive chain slack should be checked before
each ride and adjusted if necessary.
To check the drive chain slack1. Place the ATV on a level surface.TIPWhen checking and adjusting the drive chain
slack, there should be no weight on the ATV and
all tires must be touching the ground.2. Move the ATV back and forth to locate the tightest portion of the drive chain, and then
measure the drive chain slack as shown. 3. If the drive chain slack is incorrect, adjust it as
follows.
To adjust the drive chain slack 1. Place the ATV on a level surface.
2. Loosen the rear wheel axle pinch bolts.
3. Insert a rod of a diameter of 8 mm (0.3 in) and a length of 10 cm (4 in) into one of the holes in
the drive chain tensioner as shown.
Drive chain slack: 45.0–55.0 mm (1.77–2.17 in)
1. Drive chain slack
1
U1BT63E0.book Page 29 Friday, March 9, 2012 11:22 AM
8-30
8
TIPA rod can be obtained at a Yamaha dealer to make
this adjustment.4. Shift the transmission into neutral.
5. To tighten the drive chain, push the ATV back-ward. To loosen the drive chain, push the ATV
forward. NOTICE: Improper drive chain
slack will overload the engine as well as
other vital parts of the ATV and can lead to
drive chain slippage or breakage. To pre- vent this from occurring, keep the drive
chain slack within the specified limits.
[ECB00542]
6. Pull the rod out, and then tighten the rear axle
pinch bolts to the specified torque in the order
shown.
1. Rear wheel axle pinch bolt
2. Rod
3. Drive chain tensioner
4. Hole
2 11
3
4
Tightening torque:
Rear axle pinch bolt:21 Nm (2.1 m·kgf, 15 ft·lbf)
12 34
56 78
U1BT63E0.book Page 30 Friday, March 9, 2012 11:22 AM
